Big Head Mode for Crowds
Enter the password option from the Front End menu, and enter:

tengallonhat - Big Head Mode for crowds

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Achievements
Complete each of the following achievements below to get the allotted gamerscore:

Beat Chris DiMarco (30) - Defeat Chris DiMarco in the Tiger Challenge.
Beat Colin Montgomerie (30) - Defeat Colin Montgomerie in the Tiger Challenge.
Beat Luke Donald (30) - Defeat Luke Donald in the Tiger Challenge.
Beat Mike Weir (30) - Defeat Mike Weir in the Tiger Challenge.
Beat Tiger (85) - Defeat Tiger Woods in the Tiger Challenge.
Collect the whole set! (75) - Win every Trophy Ball.
Create a female golfer (5) - Create a Female Gameface character.
Create a male golfer (5) - Create a Male Gameface character.
Finish Everything (150) - Get 100% Game Completion.
Getting the Hang of it (15) - Win 5 online matches.
High Roller (15) - Make 25 online wagers.
Play a PGA TOUR Season Event (20) - Play a PGA TOUR Season Event.
Play a Tiger Challenge Event (15) - Play a Tiger Challenge Event.
Play a Training Challenge (15) - Play a Training Challenge.
Play in 5 online Tournaments (20) - Play in 5 online Tournaments.
Race for the cup (80) - Win the Fed Ex Cup.
Too Easy? (20) - Beat Par in an 18 hole round on TOUR difficulty.
Win a game of 21 (10) - Win a game of 21.
Win a game of Bloodsome (10) - Win a game of Bloodsome.
Win a game of Greensome (10) - Win a game of Greensome.
Win a game of One Ball (10) - Win a game of One Ball.
Win a game of Seven (10) - Win a game of Seven.
Win a game of T-I-G-E-R (10) - Win a game of T-I-G-E-R.
Win the PGA TOUR Major (75) - Win the PGA TOUR Major Championship.
Win the Southern Major (75) - Win the Southern Major.
Win the UK Major (75) - Win the UK Major Championship.
Win the US Major (75) - Win the US Major Championship.